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Finding the Fourth Proportional to 302,658.15, 453,986.01 and 92,295.48

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Solution

The fourth proportional to 302,658.15, 453,986.01 and 92,295.48 is: 138,442.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,658.15 : 453,986.01 = 92,295.48 : x
  2. Step 2: Convert to fraction form
    302,658.15/453,986.01 = 92,295.48/x
  3. Step 3: Cross multiply
    302,658.15x = 453,986.01 × 92,295.48
  4. Step 4: Simplify right side
    302,658.15x = 41,900,856,706.23
  5. Step 5: Solve for x
    x = 41,900,856,706.23/302,658.15
  6. Step 6: Final answer
    x = 138,442.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.